Samsung GALAXY S7 EDGE User Manual page 18

The battery comes partially charged. You can use the
device while charging.
Note: For fastest charging times, use the Adaptive
Fast Charger that came with your device. This charger
provides faster charging only when connected to
devices that support Adaptive Fast Charging.
1. Insert the USB cable into the USB charger/
Accessory port.
Getting Started
Caution: Use only charging devices and batteries
approved by Samsung. Samsung accessories are
designed for your device to maximize battery life. Using
other accessories may invalidate your warranty and
may cause damage.
2. Connect the USB cable to the charging head, and
then plug the charging head into a standard outlet.
3. Unplug the charging head from the outlet and
remove the USB cable from the device when
charging is complete.
Note: This device is also compatible with wireless
charging devices approved by Samsung, which are
sold separately.
6 Assemble Your Device